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history in an application to realize outdoor verbal exchange networks corresponding to sensible cities and judicious grids, great, long-distance and comfy network technology is required. Wi-solar FAN is a fresh specification of Wi-solar, a global radio communications undertaking it truly is the highest character desirable to the development of IoTs. it's an interoperable communications networking fashion for electrical energy, fuel, and water metering, as well as for smart cities and judicious grids in a considerable number of applications similar to infrastructure and ingenious transport programs.

This Wi-solar FAN is an interoperable low-vigor IoT wireless communique technology that makes expend of low-vigor instant transmission expertise in keeping with the IEEE 802.15.4g regular and multistage routing technology in accordance with IPv6. On can besides sixteen, 2016, the Wi-solar Alliance, which certifies wireless conversation standards for IoTs, technical compatibility, and interconnectivity, contingent accustomed standards, and on November eleven, 2016, the three parties introduced that they succeeded in basic radio tendencies usurp with Wi-solar FAN. The Wi-sun Alliance then introduced its Wi-solar FAN certification application on October three, 2018.

This achievement in accordance with the effects of the simple structure of Wi-solar FAN, the three parties developed a radio suitable with Wi-sun FAN technical specifications and certification application, and passed an IP-based certification check the expend of multi-hop, frequency-hopping, and superior certification protection through the expend of a plurality of several radios from different groups. This radio has here functions as described in the Wi-solar FAN Technical necessities.

Adaptation layer, community layer, and transport layer centered by means of IETF corresponding to 6LowPAN and IPv6

Multi-hop conversation tackle the expend of RPL

Frequency hopping

RADIUS/AAA high-stage safety

Multi-supplier interconnectivity

With the IEEE802.15.4/4g/4e technologies in a position to splendid transmission over 1km below the jap rules, this radio is fitted with a world accustomed for information superhighway access, which has been introduced in Wi-Fi (TM) programs, and a multi-hop international accustomed that realizes multi-stage relay between radios based on IP. This makes it convenient to connect sensors, meters, and screens that build up sensible cities and judicious metering to the cyber web.

This success changed into performed within the Impulsing Paradigm alternate via Disruptive applied sciences software (influence) led with the aid of the Council for Science, technology and Innovation, the cabinet workplace. This program was shaped by a joint business-academia consortium known as the next-technology Wi-solar Joint research Consortium, Kyoto. The three parties, based mostly in Kyoto, are Kyoto school, which believe a music list of standardization and construction of IEEE 802.15.four/4g/4e, Nissin methods, which commercializes Wi-solar-suitable conversation middleware, and ROHM, which develops communication modules compatible with the usual.

Future construction in the future, the three parties will participate in an interoperability specification verification suffer sponsored by artery of the Wi-sun Alliance to contribute to checking out for technical conformity and interoperability of the Wi-solar FAN normal, and to advertise additional structure as industry-academia cooperation tasks in Kyoto in order to deliver into sequel this radio in society. The effects believe been besides displayed at the Wi-solar Alliance booth in DistribuTECH 2019, the greatest verve trade-related suffer within the united states, which was held in fresh Orleans on February 5.

additional details are available at: http://www.dco.cce.i.kyoto-u.ac.jp/en/PL/PL_2019_01.html

ATLANTA, Oct. 1, 2018 /PRNewswire/ -- Landis+Gyr (SWISS: LAND.SW) introduced its aid for the Wi-solar FAN Certification software launched by the Wi-sun Alliance past today. As a Promoter Member of the Wi-sun Alliance that holds a Board of directors place, Landis+Gyr joins different member groups in merchandising the implementation of open, specifications-based container region network (FAN) and the cyber web of issues (IoT).

Utilities believe utilized box region networks to supply insurance for communicating belongings equivalent to judicious meters, sensors and automation instruments across their provider territory. With the boom in sensible city applications, average standards for FAN connectivity will broaden the decisions available for applications and gadgets in a position to exist a piece of the community.

Wi-sun's FAN Certification program will give compliance checking out of network components and instruments to a communications profile developed from pertinent open requirements and certify the product's capacity to interoperate.

"Landis+Gyr strongly helps this certification application for the future cost it is going to add for utility grid modernization and IoT programs," pointed out Marius Chilom, Senior vp and Chief expertise Officer of options for Landis+Gyr. "The more advantageous the interoperability, the more positive these networks might exist for the subsequent wave of smart grid and sensible city functions."

"Certification ensures interoperability, which is key to the growth of IoT innovation," said Phil Beecher, President and CEO, Wi-sun Alliance. "we are completely satisfied to officially launch the FAN Certification software and are excited for the primary wave of FAN-licensed items to exist deployed into the market starting Q1 2019."

The certification program will exist certain utilities, cities and service suppliers believe access to adaptable, multi-service networks a splendid artery to aid exist certain interoperability into the longer term. other key merits for community operators include:

easier evaluation of recent items, as behavior, performance and interoperability are neatly-defined.

greater option of products and vendors.

Encourages world structure of requisites-based mostly products, decreasing the risk and costly impact of stranded assets.

All Wi-sun certified products are carefully demonstrated by artery of a Wi-sun appointed third-birthday party test lab to exist certain the devices drudgery together easily and securely for quick time to market. licensed instruments encompass a digital certificates to authenticate entry to a Wi-sun FAN, vastly cutting back vulnerability to cyber safety threats. under a sunder contract, Wi-solar Alliance has appointed GlobalSign as the third-party agency of digital certificates for the Wi-sun FAN certification software.

About Landis+GyrLandis+Gyr is the main international provider of integrated power administration solutions for the utility sector. offering one of the crucial broadest portfolios of items and features to tackle complicated trade challenges, the enterprise can provide finished options for the groundwork of a better grid, together with judicious metering, distribution network sensing and automation tools, load control, analytics and power storage. Landis+Gyr operates in over 30 international locations throughout five continents. With income of approximately USD 1.7 billion, the business employs c. 6,000 individuals with the only real mission of helping the region manage energy more advantageous. greater counsel is available at www.landisgyr.com.

about the Wi-solar AllianceThe Wi-solar Alliance is a global non-earnings member-based association made up of trade main groups. Its mission is to drive the international proliferation of interoperable instant options to exist used in judicious cities, judicious grids and other web of issues (IoT) applications using open world necessities from businesses, akin to IEEE802, IETF, TIA, TTC and ETSI. With more than 180 contributors global, membership of the Wi-solar Alliance is open to any trade stakeholders and comprises silicon carriers, product companies, capabilities providers, utilities, universities, businesses and municipalities and endemic executive corporations.For extra tips, please contend with: www.wi-sun.org.

Wi-solar Alliance and the Wi-solar Alliance brand are logos of the Wi-solar Alliance.

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Sun Certified Programmer for Java 2 Platform 1.4

These quizzes were written based on the Sun Java certification exams. You can find more Java questions in the Oracle quizzes section - the Java certifications previously offered by Sun Microsystems, such as Sun Certified Java Programmer (SCJP), are now piece of the Oracle certification program.

The Sun Certified Programmer for the Java 2 Platform exam was originally the first step toward many advanced Java certifications and accepted as evidence of basic Java skills by Sun, apoplectic Hewlett-Packard, site IBM, Oracle, and Sybase. Since then Oracle acquired Sun certifications, but these questions may silent prove helpful for preparing for Java certification exams.

Thirty questions based on the objectives for the Sun Certified Programmer for the J2SE 1.4 Platform exam.

This progression of questions was created to aid candidates prepare for the Sun Microsystems Certified Enterprise Architect for Java Technology exam. Sun certifications believe since been rolled into the Oracle certification program, ed but these questions may silent prove helpful.

GlassFish is the reference implementation of Java EE, in other words, the benchmark from which any other implementations and corresponding customizations are derived. GlassFish was initially created by Sun Microsystems for the Java EE platform and is now sponsored by Oracle, who believe a supported version called Oracle GlassFish Server.

GlassFish supports Enterprise JavaBeans, JPA, JavaServer Faces, JMS, RMI, JavaServer Pages, and Servlets, import that developers can expend it to create enterprise applications that are portable and scalable, and that integrate with legacy technologies.

The conception of transferring Java EE sources to the Eclipse Foundation was announced at the 2017 Oracle JavaOne conference

The fresh release, GlassFish 5.1, has been fully tested under both the open source TCK and proprietary Oracle Java EE 8 TCK. The Eclipse Foundation says that the completion of the fresh version was a key accomplishment in allowing drudgery to originate on the release of Jakarta EE 8. The Eclipse Foundation aims to believe Eclipse GlassFish 5.2 exist a Jakarta EE 8 compatible implementation, and the Foundation has gained the uphold of any of the major vendors who believe Java EE 8 compatible versions of their commercial products. The companies believe any committed to ensuring their products are Jakarta EE 8 compatible as well.

The migration has been described as "an huge engineering and legal challenge". Java EE TCKs are open-sourced and hosted at the Eclipse Foundation. In addition, the Eclipse GlassFish code foundation was re-licensed from CDDL+GPL and Classpath to Eclipse Public License 2.0 plus GPL with the Classpath Exception.

The developers divulge this has been a massive amount of work. The Java EE source-code contains over 5.5 million lines of code and over 2.2 million lines of comments in more than 61,000 files. For comparison, it’s around the selfsame as the server side of World of Warcraft and the Linux Kernel 2.6.0. The CTS/TCK contains over 4.6 million lines of code and over 1.1 million lines of comments in more than 34,000 files. It’s comparable with the codebase of Windows NT 3.1 and Photoshop CS6.

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The following tools and utilities are provided as piece of the J2SE bundle.

Java Keystore

The keystore is a protected database that stores keys and trusted certificate entries for those keys. A keystore stores any the certificate information related to verifying and proving an identity of a person or an application. It contains a private key and a chain of certificates that allows establishing authentication with corresponding public keys. Each entry in the keystore is identified by a unique alias. any stored key entries can besides exist protected using a password. The Java keystore follows the RSA cryptographic benchmark known as PKCS#12, which provides a artery to securely store multiple keys and certificates in a password-protected file. Unless specified by default, the key entries are stored in a .keystore file and the trusted CA certificate entries are stored in a cacerts file, which resides in the JRE security directory.

Keytool

Keytool is a key and certificate management appliance that allows users and administrators to administer their own private/public key pairs and associated certificates. This appliance is intended for expend with authentication services and verifying data integrity using digital signatures. The keytool is provided with the J2SE bundle as a command-line utility, which can exist used to create JKS (Java keystore) and JCEKS (Java Cryptographic Extensions Keystore) keystores, generate and store keys and their associated X.509v1 certificates, generate Certificate Signing Requests (CSR), import and store trusted certificates, and discharge maintenance on keystore entries.

The keytool utility uses the X.509 certificate standard, which is encoded using the Abstract Syntax Notation 1 (ASN.1) benchmark to report data and the lucid Encoding Rules (DER) benchmark to identify how the information is to exist stored and transmitted. The X.509 certificate takes the values of subject and issuer fields from the X.500 Distinguished title (DN) standard.

Let's assume a gaze at the most common operations performed using the keytool utility:

Creating a keystore database. A keystore is created whenever you expend keytool with options to add entries to a non-existent keystore. The following options automatically create a keystore when the specified keystore does not exist in the user's directory:

-genkey option is used to generate private/public key pairs.

-import option is used to import a trusted certificate.

-identitydb is used to import data from a legacy JDK 1.1.

By default, the keytool creates a keystore as a file named .keystore in the user's home directory, but a title can exist specified using the –keystore option.

Generating private/public key pairs. When a keytool is used to generate a private/public key pair, each entry contains a private key and an associated certificate "chain." The first certificate in the chain contains the public key corresponding to the private key.

A pair of public and private keys can exist generated and added to the keystore using the keytool -genkey command. The -genkey option creates a public/private key pair and then wraps the public key in a self-signed certificate. The following illustration will generate a key pair wrapped in a X.509 self-signed certificate and stored in a single-element certificate chain. In this command, they besides necessity to specify passwords for the keys and the keystore, the algorithm to expend (RSA), and the alias (see illustration 3-20).

In the command shown in illustration 3-20, the -genkey option is used to generate the key pair, and any other options are used in uphold of this command. The key pair is identified with an alias myalias with a password of mykeypass. Both the alias and the keypass are required for any the subsequent commands and operations when they access the particular key pair in the keystore. The other options that can exist used are as follows:

-keyalg -- specifies the encryption algorithm used for the key (example: RSA). An additional "–keysize" option would allow us to specify the bit size for the key; if not specified, the keytool uses the default value of 1024 bits.

-keypass -- specifies the password for the key generated.

-keystore -- specifies the title of the keystore to store the keys, which is a binary file. If it is not specified, a fresh file will exist created and saved as a .keystore file.

-storepass -- specifies the password used to control access to the keystore. After keystore creation, any modifications to the keystore will require you to expend the password whenever accessing the keystore.

When you execute these command and options, you will besides exist prompted with questions to supply the following names for creating subcomponents of the X.500 Distinguished title standard:

Example 3-21 is a sample output generated using these command and options.

Example 3-21. Generating keypairs using Keytool
$ keytool -genkey -alias myalias -keyalg RSA
-keystore mykeystore -keypass mykeypass
-storepass mystorepass
What is your first and final name?
[Unknown]: Roger R
What is the title of your organizational unit?
[Unknown]: Java developer
What is the title of your organization?
[Unknown]: Java Day care
What is the title of your City or Locality?
[Unknown]: Boston
What is the title of your situation or Province?
[Unknown]: Massachusetts
What is the two-letter country code for this unit?
[Unknown]: US
Is CN=Roger R, OU=Java developer,
O=Java Day care, L=Boston, ST=Massachusetts, C=US correct?
[no]: yes

With any the questions answered, the keytool generates the keys and the certificate and stores them in the specified keystore file.

Listing the entries of a keystore. The keytool with the -list option is used to list any the entries of a keystore, and besides to gaze at the contents of an entry associated with an alias. illustration 3-22 is a command that lists any the entries of a keystore named mykeystore. This command besides requires us to enter the keystore password.

To pomp the contents of a keystore entry when identified with an alias, the list command prints the MD5 fingerprint of a certificate. If the -v option is specified, the certificate is printed in a human-readable format. If the -rfc option is specified, the certificate is output in the foundation 64 encoding format. The following command (see illustration 3-23) lists the contents of a keystore entry in a human-readable format for alias "myalias."

Exporting a certificate entry from a keystore. To believe trusted interactions, the communicating client peer needs to believe a copy of the public keys from the original signer in the keystore. This is done by exporting the certificate (containing the public key and signer information) to a binary certificate file and then importing them as a trusted certificate into the client peer's keystore.

To export the certificate to a binary certificate file (see illustration 3-24), the keytool -export and -file options are used. The following command exports a certificate entry identified with alias myalias in keystore mykeystore to a file mycertificate.cer. This command requires entering the keystore password.

Importing a trusted certificate. The keytool -import option is used to import a trusted certificate into a keystore database and to associate it with a unique alias. This is executed in the environment of a client who wishes to reliance this certificate and to believe trusted client interactions with that communicating peer.

When a fresh certificate is imported into the keystore, the keytool utility verifies that the certificate has integrity and authenticity. The keytool utility attempts this verification by structure a chain of reliance from that certificate to the self-signed certificate that belongs to the issuer. The lists of trusted certificates are stored in the cacerts file.

To execute the import in a keystore (see illustration 3-25), you necessity to provide the certificate entry with a unique alias and key password. For example, the following command imports a certificate entry from a file mycertificate.cer and identifies the entry with myclientalias and key password clientkeypass in keystore clientkeystore with keystore password clientpass. As a final step, the command displays the owner and issuer information of the certificate and prompts the user to reliance the certificate:

Printing certificate information. The keytool –printcert option is used to pomp the contents of a certificate that has been exported from a keystore and made available as a file. To execute this command, no associated keystore database or password is required, because the certificate contains the information as a certificate file (.cer), which is not imported into the keystore.

You would expend illustration 3-26 to pomp the contents of a binary certificate file.

Creating a Certificate Signing Request (CSR). The Keytool -certreq option allows you to generate a certificate authentication request for a certificate from a Certificate Authority (CA). The -certreq option (see illustration 3-27) creates a CSR for the certificate and places the CSR in a file named certreq_file.csr, where certreq_file.csr is the title of the file that is to exist sent to the CA for authentication. If a CA considers the certificate to exist valid, it issues a certificate reply and places the reply in a file named cert_reply.cer, where cert_reply.cer is the file returned by the CA that holds the results of the CSR authorizations that were submitted in the certreq_file.csr file.

Example 3-28 shows how the password for the keystore mykeystore is changed from mystorepass to newstorepass.

Smart Cards and Cryptographic Devices Based Keystores

With the release of J2SE 5.0 [J2SE5], Java provides uphold for using smart cards and cryptographic devices as keystores. J2SE 5.0 introduced the uphold for RSA Cryptographic Token Interface benchmark (referred to as PKCS#11) which defines endemic programming interfaces to cryptographic tokens, such as hardware cryptographic accelerators and smart cards. Integrating smart card based keystores is accomplished by configuring the smart card PKCS#11 module as a security provider. To facilitate the integration using PKCS#11 interfaces, J2SE 5.0 provides a fresh cryptographic provider (SunPKCS11). The SunPKCS11 provider enables existing applications written to the JCA and JCE APIs to access endemic PKCS#11-based smart cards and cryptographic devices. To enable this, the JRE must exist configured with the PKCS#11 provider in the java.security file located at $JAVA_HOME/jre/lib/security/java.security.

For a detailed illustration about how to configure the smart card as Java keystore, refer to the section "Using Smart Cards as Keystores" in Chapter 4, "Java Extensible Security Architecture and APIs."

Policytool

The policytool is a utility that provides a menu-driven user-friendly interface for creating and viewing Java security policy configuration files. The policytool menu options enable you to read and edit policy files by adding policy and permission entries, assigning a keystore, and creating a fresh policy configuration file.

To start the Policy appliance utility, simply ilk the following at the command line:

policytool

For more information about using policytool menu options, refer to the policytool documentation provided with the J2SE bundle.

Jarsigner

The jarsigner appliance is used to digitally note the Java archives (JAR files) and to verify the signature and its integrity. The jarsigner can note and verify only the JAR file created by the JAR utility provided with the J2SE bundle.

Signing a JAR file

The jarsigner uses the private key information from the signer's keystore to generate digital signatures for signing the JAR files. After signing, the signed JAR file includes a copy of the public key from the keystore that corresponds to the private key used to note the file. The jarsigner can besides verify the signer's information in the signed JAR file.

Example 3-29 shows what you would expend to note a JAR file named myJar.jar and then title the signed JAR file as mySignedJar.jar.

The J2SE environment besides provides uphold for cryptographic services, secure communication services using SSL and TLS protocols, and certificate management services. The J2SE 5.0 is the newest release of the Java platform. It includes numerous feature and security updates to the Java language and the JVM. J2SE 5.0 besides offers significant security enhancements compared to the previous release of J2SE 1.4.x. These will exist discussed in Chapter 4, "Java Extensible Security Architecture and APIs."